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July 2nd, 2026 :: 10:46 pm CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated July 2nd at 9:54 pm 
Temperature:84°F Dew Point:75°F
Barometer:30.06 inHg Wind:N 19 Mph
Humidity:74.5% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jul 2nd
Friday
Jul 3rd
Saturday
Jul 4th
Sunday
Jul 5th
Monday
Jul 6th
Mostly Sunny Mostly Sunny Mostly Sunny Thundershowers Mostly Sunny
89°F
89°F
71°F
89°F
70°F
82°F
71°F
81°F
67°F
 
 Decatur Detailed Weather Forecast  
 
Friday, July 3rd, 2026
Overnight Temperature: 76°F
Mostly clear with a chance of showers or thundershowers.
Morning Temperature: 79°F
Mostly sunny with a chance of showers or thundershowers.
Afternoon Temperature: 89°F
Sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 77°F
A mix of clear and cloudy skies with a chance of showers or thundershowers.
Saturday, July 4th, 2026
Overnight Temperature: 71°F
Clear with a slight chance of showers.
Morning Temperature: 78°F
Sunny with a slight chance of showers or thundershowers.
Afternoon Temperature: 88°F
Sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 82°F
Mostly clear with a slight chance of showers or thundershowers.
Sunday, July 5th, 2026
Overnight Temperature: 75°F
Mostly clear with a slight chance of showers or thundershowers.
Morning Temperature: 72°F
A mix of cloud and sun with a few showers. Chance of a thunderstorm.
Afternoon Temperature: 80°F
Sunny with showers likely. Chance of a thunderstorm.
Evening Temperature: 75°F
Mostly clear. Chance of a thunderstorm.
Monday, July 6th, 2026
Overnight Temperature: 68°F
Mostly clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 80°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 73°F
Mostly clear. Chance of a thunderstorm.
Tuesday, July 7th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 69°F
Sunny. Windy at times.
Afternoon Temperature: 77°F
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 73°F
Clear with a slight chance of showers or thundershowers.
Wednesday, July 8th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 81°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 77°F
Clear. Chance of a thunderstorm.
Thursday, July 9th, 2026
Overnight Temperature: 69°F
Mostly clear.
Morning Temperature: 74°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 86°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Friday, July 10th, 2026
Overnight Temperature: 69°F
Mostly clear with a slight chance of showers. Windy at times.
Morning Temperature: 77°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Mostly clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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